Click on the third or sixth rank to set the en passant target square.

EGTB: win in 10 half-moves

# move score
1 b4 win in 9 half-moves
2 Kb4 win in 9 half-moves
3 Kc4 win in 9 half-moves
4 Kd4 win in 9 half-moves
5 Ka6 win in 13 half-moves
6 Ka8 win in 13 half-moves
7 Kab6 win in 13 half-moves
8 Kb7 win in 13 half-moves
9 Kb8 win in 13 half-moves
10 Kc6 win in 13 half-moves
11 Kcb6 win in 13 half-moves
12 Kd5 win in 13 half-moves
13 Kd6 win in 13 half-moves
14 Nb7 win in 15 half-moves
15 Nc6 loss in 4 half-moves
16 Ne6 loss in 2 half-moves
17 Nf7 loss in 2 half-moves